Bump @ts-common/commonmark-to-markdown from 1.2.0 to 2.0.0

Bumps [@ts-common/commonmark-to-markdown](https://github.com/ts-common/commonmark-to-markdown) from 1.2.0 to 2.0.0.
- [Release notes](https://github.com/ts-common/commonmark-to-markdown/releases)
- [Commits](https://github.com/ts-common/commonmark-to-markdown/commits)

---
updated-dependencies:
- dependency-name: "@ts-common/commonmark-to-markdown"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -11,7 +11,7 @@
   "license": "MIT",
   "devDependencies": {
     "@azure/avocado": "^0.7.2",
-    "@ts-common/commonmark-to-markdown": "^1.2.0",
+    "@ts-common/commonmark-to-markdown": "^2.0.0",
     "@ts-common/fs": "0.2.0",
     "@ts-common/iterator": "^0.3.6",
     "@types/js-yaml": "^3.12.1",